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Polar Asset Management Partners’s Boston Scientific BSX Stock Holding History

Polar Asset Management Partners’s Portfolio BSX Stock Details BSX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2020
Q3 		– Sell
-100,000
Closed -$3.51M – 600
2020
Q2 		$3.51M Buy
+100,000
New +$3.6M 0.06% 252

Other funds holding BSX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Polar Asset Management Partners's BSX Position: Q3 2025 in Review

Polar Asset Management Partners sold out of Boston Scientific (BSX) in Q3 2025, closing a stake of 65,655 shares — an estimated $7.05M sold.

Polar Asset Management Partners first reported a position in BSX in Q1 2021 and held it in 14 quarters. The position peaked at $55.6M in Q3 2023. 1,709 funds tracked by Wall St. Rank hold BSX as of Q3 2025.

  • Polar Asset Management Partners reported no remaining Boston Scientific position as of Q3 2025 after selling out during the quarter.
  • Polar Asset Management Partners sold 65,655 Boston Scientific shares in Q3 2025, an estimated $7.05M.
  • Polar Asset Management Partners first reported a position in Boston Scientific in Q1 2021 and held it in 14 quarters.
  • Polar Asset Management Partners's Boston Scientific position peaked at $55.6M in Q3 2023.
  • 1,709 funds tracked by Wall St. Rank held Boston Scientific as of Q3 2025.

Based on Polar Asset Management Partners's 13F filing for Q3 2025, filed 14 Nov 2025.